private static bool DoAccTest(RunningWindowTableItemCollection list, IntPtr mainHandle, IntPtr childHandle, int maximumResultCount)
{
object accObject = Win32.AccessibleObjectFromWindow(childHandle);
if (null != accObject)
{
string name = TypeDescriptor.GetClassName(accObject);
string component = TypeDescriptor.GetComponentName(accObject);
string className = Win32.GetClassName(childHandle);
IntPtr processID = Win32.GetWindowThreadProcessId(childHandle);
ProxyInformation.ProcessElevation elevation = ProcessElevation.ConvertToProcessElevation(ProcessElevation.IsProcessElevated(processID));
COMTypes.ITypeInfo typeInfo = RunningObjectTable.TryCreateTypeInfo(accObject);
string id = GetTypeGuid(typeInfo).ToString();
string libraryID = RunningObjectTable.GetParentLibraryGuid(typeInfo).ToString();
if (null != typeInfo)
{
RunningObjectTable.ReleaseTypeInfo(typeInfo);
}
ProxyInformation item =
new ProxyInformation(accObject, String.Format("{0}-{1}", childHandle, className), id, name, component, libraryID, processID, elevation);
if (list.Count <= maximumResultCount)
{
list.Add(item);
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Returns all running com proxies + add. information from the running object table there matched with the input parameters
/// WARNING: the method returns always the first com proxy from the running object table if multiple (match) proxies exists.
/// </summary>
/// <returns>IDisposableEnumeration with proxy information</returns>
public static IDisposableSequence <ProxyInformation> GetActiveProxyInformations()
{
IEnumMoniker monikerList = null;
IRunningObjectTable runningObjectTable = null;
RunningObjectTableItemCollection resultList = new RunningObjectTableItemCollection();
try
{
// query table and returns null if no objects running
if (GetRunningObjectTable(0, out runningObjectTable) != 0 || runningObjectTable == null)
{
return(null);
}
// query moniker & reset
runningObjectTable.EnumRunning(out monikerList);
monikerList.Reset();
IMoniker[] monikerContainer = new IMoniker[1];
IntPtr pointerFetchedMonikers = IntPtr.Zero;
// fetch all moniker
while (monikerList.Next(1, monikerContainer, pointerFetchedMonikers) == 0)
{
// query com proxy info
object comInstance = null;
runningObjectTable.GetObject(monikerContainer[0], out comInstance);
if (null == comInstance)
{
continue;
}
string name = TypeDescriptor.GetClassName(comInstance);
string component = TypeDescriptor.GetComponentName(comInstance, false);
IBindCtx bindInfo = null;
string displayName = String.Empty;
Guid classID = Guid.Empty;
if (CreateBindCtx(0, out bindInfo) == 0)
{
monikerContainer[0].GetDisplayName(bindInfo, null, out displayName);
monikerContainer[0].GetClassID(out classID);
TryMarshalReleaseComObject(bindInfo);
}
string itemClassName = TypeDescriptor.GetClassName(comInstance);
string itemComponentName = TypeDescriptor.GetComponentName(comInstance);
COMTypes.ITypeInfo typeInfo = null;
string itemLibrary = String.Empty;
if (classID != Guid.Empty)
{
typeInfo = TryCreateTypeInfo(comInstance);
itemLibrary = null != typeInfo?GetParentLibraryGuid(typeInfo).ToString() : String.Empty;
}
string itemID = classID != Guid.Empty ? classID.ToString() : String.Empty;
ProxyInformation entry =
new ProxyInformation(comInstance, displayName, itemID, itemClassName,
itemComponentName, itemLibrary, IntPtr.Zero, ProxyInformation.ProcessElevation.Unknown);
resultList.Add(entry);
if (classID != Guid.Empty && typeInfo != null)
{
ReleaseTypeInfo(typeInfo);
}
}
return(resultList);
}
catch (Exception exception)
{
DebugConsole.Default.WriteException(exception);
throw;
}
finally
{
// release proxies
if (runningObjectTable != null)
{
TryMarshalReleaseComObject(runningObjectTable);
}
if (monikerList != null)
{
TryMarshalReleaseComObject(monikerList);
}
}
}
private static IDisposableSequence <ProxyInformation> GetKnownAccessibleProxiesFromPath(IEnumerable <AccessibleWindowTarget> targets, int maximumResultCount)
{
if (null == targets)
{
throw new ArgumentNullException("targets");
}
RunningWindowTableItemCollection result = new RunningWindowTableItemCollection();
if (maximumResultCount <= 0)
{
return(result);
}
foreach (AccessibleWindowTarget target in targets)
{
WindowEnumerator enumerator =
new WindowEnumerator(
target.MainClassName, target.MainClassNameEnd, (WindowEnumerator.FilterMode)Convert.ToInt32(target.NameCompare));
IntPtr[] mainHandles = enumerator.EnumerateWindows(_mainWindowTimeoutMilliseconds);
if (null == mainHandles)
{
continue;
}
foreach (IntPtr item in mainHandles)
{
ChildWindowBatchEnumerator childEnumerator =
new ChildWindowBatchEnumerator(item);
foreach (string subItem in target.ChildPath)
{
childEnumerator.SearchOrder.Add(
new ChildWindowBatchEnumerator.SearchCriteria(subItem));
}
IntPtr[] childHandles = childEnumerator.EnumerateWindows(_childWindowTimeoutMilliseconds);
if (null == childHandles)
{
continue;
}
foreach (IntPtr childHandle in childHandles)
{
object accObject = Win32.AccessibleObjectFromWindow(childHandle);
if (null != accObject && accObject is MarshalByRefObject)
{
object targetProxy = null;
if (!String.IsNullOrEmpty(target.AccPropertyName))
{
targetProxy = TryInvokeProperty(accObject, target.AccPropertyName);
Marshal.ReleaseComObject(accObject);
}
else
{
targetProxy = accObject;
}
if (null != targetProxy)
{
string itemComponentName = TypeDescriptor.GetComponentName(targetProxy);
COMTypes.ITypeInfo typeInfo = RunningObjectTable.TryCreateTypeInfo(targetProxy);
string library = RunningObjectTable.GetParentLibraryGuid(typeInfo).ToString();
string id = GetTypeGuid(typeInfo).ToString();
string itemClassName = TypeDescriptor.GetClassName(targetProxy);
string itemCaption = itemClassName;
if (!String.IsNullOrWhiteSpace(itemClassName) && !String.IsNullOrWhiteSpace(itemComponentName))
{
itemCaption = String.Format("{0} {1}", itemComponentName, itemClassName);
}
IntPtr procID = Win32.GetWindowThreadProcessId(childHandle);
ProxyInformation.ProcessElevation procElevation =
ProcessElevation.ConvertToProcessElevation(ProcessElevation.IsProcessElevated(procID));
ProxyInformation info = new ProxyInformation(targetProxy,
itemCaption, id, itemClassName, itemComponentName, library, procID, procElevation);
result.Add(info);
if (null != typeInfo)
{
RunningObjectTable.ReleaseTypeInfo(typeInfo);
}
if (result.Count >= maximumResultCount)
{
return(result);
}
}
}
}
}
}
return(result);
}
